Storybook Preact renderer: Develop, document, and test UI components in isolation

Get v8 stack traces as an array of CallSite objects.

A React error boundary hook for function components

vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules.

Secure, isolated expression evaluation runtime for n8n

Connector to allow ContractCase to run as a server. Use only if you're creating a custom wrapper for a new language

Remote BFF assembly and Host Agent/Session lookup policy

In-process fork subagent backend: runs a child agent seeded with a prefix of the parent's log

Veryfront first-party extension package for ext-sandbox-shell-tools

Rust-backed Cua Driver SDK and embedded Node host

AI-Control engine — drives AI from product description through planning, specs, code generation, and verification

A d3 force for making nodes stay inside a boundary

A node.js module to find the timezone at specific gps coordinates

Codecs for strings of different sizes and encodings

Toptal Cloudflare requests handler

worker-thread workflow engine: executes model-written orchestration scripts off the host event loop, bridging agent() calls back to ctx.subagents

Coordinate project-owned Compose stacks, isolated resources, ports, and environments across Git worktrees.

Workbench component for the Sanity Content Operating System

An end-to-end terminal testing framework for CLI and TUI experiences

Definition DSL components for the ContractCase contract testing suite